TV conference interface on a display screen or a portion thereof



FIG. 1 is a plan view of a computer generated TV conference interface on a display screen or a portion thereof.

The broken lines depict environmental subject matter only and form no part of the claimed design.

The area contained within the dot chain lines form no part of the claimed design. 

CLAIM The ornamental design for a TV conference interface on a display screen or a portion thereof, as shown and described. 